Home / 5,874.57-8,813.16-1,978.88

Finding the Fourth Proportional to 5,874.57, 8,813.16 and 1,978.88

Calculator

Solution

The fourth proportional to 5,874.57, 8,813.16 and 1,978.88 is: 2,968.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,874.57 : 8,813.16 = 1,978.88 : x
  2. Step 2: Convert to fraction form
    5,874.57/8,813.16 = 1,978.88/x
  3. Step 3: Cross multiply
    5,874.57x = 8,813.16 × 1,978.88
  4. Step 4: Simplify right side
    5,874.57x = 17,440,142.00
  5. Step 5: Solve for x
    x = 17,440,142.00/5,874.57
  6. Step 6: Final answer
    x = 2,968.75

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.